Boot seal

Details Boot seal Boot seal

1978-12-07

1980-12-30

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1532

Patent

active

042419280

ABSTRACT:
A boot seal mounted on a pivotal ball joint comprises a boss portion, a waist portion disposed in the outer periphery of the boss portion and a skirt portion disposed in the outer periphery of the waist portion. The boss portion has an upper surface brought into intimate contact with a lower end surface of a joint member mounted on a shank of the ball joint, and the skirt portion has an internal wall brought into intimate contact with an upper outer periphery of a socket housing in the ball joint. The boss portion is provided at its lower surface with a flare portion protruded downward and outward. The flare portion has, while being elastically flexed, a lower edge placed in touch with an upper end surface of the socket housing. This elasticity of the flare portion provides a close contact between the lower edge of the flare portion and the upper end surface of the socket housing and a close contact between the upper surface of the boss portion and the lower end surface of the joint member.

REFERENCES:
patent: 3220756 (1965-11-01), Templeton
patent: 3343855 (1967-09-01), Husen

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